#ifndef SINGLEDOCPARSER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define SINGLEDOCPARSER_H_62B23520_7C8E_11DE_8A39_0800200C9A66

#if defined(_MSC_VER) ||                                            \
    (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
     (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif

#include <map>
#include <memory>
#include <string>

#include "yaml-cpp/anchor.h"

namespace YAML {
class CollectionStack;
template <int>
class DepthGuard; // depthguard.h
class EventHandler;
class Node;
class Scanner;
struct Directives;
struct Mark;
struct Token;

class SingleDocParser {
public:
    SingleDocParser(Scanner& scanner, const Directives& directives);
    SingleDocParser(const SingleDocParser&) = delete;
    SingleDocParser(SingleDocParser&&) = delete;
    SingleDocParser& operator=(const SingleDocParser&) = delete;
    SingleDocParser& operator=(SingleDocParser&&) = delete;
    ~SingleDocParser();

    void HandleDocument(EventHandler& eventHandler);

private:
    void HandleNode(EventHandler& eventHandler);

    void HandleSequence(EventHandler& eventHandler);
    void HandleBlockSequence(EventHandler& eventHandler);
    void HandleFlowSequence(EventHandler& eventHandler);

    void HandleMap(EventHandler& eventHandler);
    void HandleBlockMap(EventHandler& eventHandler);
    void HandleFlowMap(EventHandler& eventHandler);
    void HandleCompactMap(EventHandler& eventHandler);
    void HandleCompactMapWithNoKey(EventHandler& eventHandler);

    void ParseProperties(std::string& tag, anchor_t& anchor,
                         std::string& anchor_name);
    void ParseTag(std::string& tag);
    void ParseAnchor(anchor_t& anchor, std::string& anchor_name);

    anchor_t RegisterAnchor(const std::string& name);
    anchor_t LookupAnchor(const Mark& mark, const std::string& name) const;

private:
    int depth = 0;
    Scanner& m_scanner;
    const Directives& m_directives;
    std::unique_ptr<CollectionStack> m_pCollectionStack;

    using Anchors = std::map<std::string, anchor_t>;
    Anchors m_anchors;

    anchor_t m_curAnchor;
};
} // namespace YAML

#endif // SINGLEDOCPARSER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
